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AV-232 < DTC/CIRCUIT DIAGNOSIS > [COLOR DISPLAY - W/O BOSE] POWER SUPPLY AND GROUND CIRCUIT 1. Turn ignition switch OFF. 2. Check continuity between AV control unit harness connector and ground. Are the inspection results OK? YES >> Inspection End. NO >> Repair AV control unit ground. DISPLAY UNIT INFOID:0000000010064874 Regarding Wiring Diagram information, refer to AV-282, "Wiring Diagram - Without BOSE Audio System With- 1. CHECK POWER SUPPLY CIRCUIT 1. Turn ignition switch to ACC. 2. Check voltage between display unit harness connector M141 and ground. Does specified voltage exist? YES >> GO TO 3. NO >> GO TO 2. 2. CHECK POWER SUPPLY CIRCUIT 1. Turn ignition switch OFF. 2. Disconnect the display unit connector M141 and the AV control unit connector M117. 3. Check continuity between the display unit harness connector M141 (A) and the AV control unit connector M117 (B). 4. Check continuity between the display unit harness connector M141 (A) and ground. Are continuity results as specified? YES >> Check AV control unit power and ground supply. Refer to AV-231, "AV CONTROL UNIT : Diagno- NO >> Repair harness or connector. Connector Terminal — Continuity M115 20 Ground Yes AWNIA1930ZZ (+) (-) Value (Approx.) Connector Terminal M141 2 Ground 9V 3 ALNIA0317GB A B Continuity Connector Terminal Connector Terminal M141 2 M117 59 Yes 3 47 A — Continuity Connector Terminal M141 2 Ground No 3 ALNIA0318GB |